Pith Number

pith:KW7IEGWS

pith:2014:KW7IEGWS3FQIUBAMQPWR2E2PQN

not attested not anchored not stored refs pending

A cosmic web filament revealed in Lyman-alpha emission around a luminous high-redshift quasar

Fabrizio Arrigoni-Battaia, Joseph F. Hennawi, J. Xavier Prochaska, Piero Madau, Sebastiano Cantalupo

arxiv:1401.4469 v1 · 2014-01-17 · astro-ph.CO · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KW7IEGWS3FQIUBAMQPWR2E2PQN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

3 papers in Pith

Analytical and fitting formulae for solutions to Lyman-alpha radiative transfer equations: the effects of geometry, recoil, and velocity gradients

The X-ray-to-UV relation does not evolve in homogeneous quasar samples

Multiphase images of a powerful supernova-driven wind in the early Universe

Receipt and verification

First computed	2026-05-18T02:49:52.572853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55be821ad2d9608a040c83ed1d134f8350c316186910a6a87b8eadbcbc5f94bc

Aliases

arxiv: 1401.4469 · arxiv_version: 1401.4469v1 · doi: 10.48550/arxiv.1401.4469 · pith_short_12: KW7IEGWS3FQI · pith_short_16: KW7IEGWS3FQIUBAM · pith_short_8: KW7IEGWS

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/KW7IEGWS3FQIUBAMQPWR2E2PQN \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 55be821ad2d9608a040c83ed1d134f8350c316186910a6a87b8eadbcbc5f94bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c8d96debf90f0547e9f3783f4f6bec60817c5f9f8276e23990c1e3016ed8d64",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-01-17T21:25:04Z",
    "title_canon_sha256": "4b2784377e3751a6735147820f97eae006191ba0490a9564b8392c26a1ac3f67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4469",
    "kind": "arxiv",
    "version": 1
  }
}